2.75% is the change from 545 to 560
Calculation steps:
[( 560 - 545 ) ÷ 545] x 100 = 2.75%
Formula
Percentage change = [(560 - 545) / 545] x 100
Subtract the new number by the original number
560 - 545 = 15
15 ÷ 545 = 0.027522935779816515
0.027522935779816515 x 100 = 2.75%